“Analeptic” is defined as follows, by Merriam-Webster: “A drug that stimulates the central nervous system.”

Machine Briefs:
Option #1: analeptic= AN/A/LEP/TIC
Option #2: analeptic= AN/A/LEPT/*IK
Option #3: analeptic= AN/LEP/TIK
Option #4: analeptic= AN/LEPT/*IK